Question: What is the tributary of Ob that has the coordinate location 57.2447 83.3919?
Paraphrase: What is the tributary of Ob that has the facilitate area 57.2447 83.3919?
SPARQL (Wikidata): SELECT ?answer WHERE { wd:Q973 wdt:P974 ?answer . ?answer wdt:P625 ?x FILTER(contains(?x , '57.2447 83.3919'))}